diff --git a/parser/nodes.h b/parser/nodes.h
index fe3b634..cae46da 100644
--- a/parser/nodes.h
+++ b/parser/nodes.h
@@ -236,6 +236,7 @@ class NGonNode : public NumberNode
 {
     public:
         NGonNode(refptr<Node> e) : NumberNode(e) {}
+        int getInteger() { return getNumber(); }
 };
 
 class OffsetNode : public NumberNode
diff --git a/parser/parser.yy b/parser/parser.yy
index 657ff98..f029932 100644
--- a/parser/parser.yy
+++ b/parser/parser.yy
@@ -314,7 +314,7 @@ number: DEC_NUMBER  { $$ = $1; }
       | REAL_NUMBER { $$ = $1; }
       ;
 
-ngon: NGON DEC_NUMBER COMMA expression {
+ngon: NGON expression COMMA expression {
         $$ = new NGonNode($2);
         $$->addChild(new RadiusNode($4));
     }